lx-1l -l2x-1l 怎么解啊??
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解决时间 2021-01-14 16:37
- 提问者网友:别再叽里呱啦
- 2021-01-14 05:32
lx-1l -l2x-1l 怎么解啊??
最佳答案
- 五星知识达人网友:独行浪子会拥风
- 2021-01-14 06:28
lx-1l - l2x-1l
x < 1/2 时:
lx-1l - l2x-1l = 1-x - 1+2x = x
1/x ≤ x ≤ 1 时:
lx-1l - l2x-1l = 1-x - 2x+1 = 2-x
x>1时:
lx-1l - l2x-1l = x-1-2x+1 = -x
x < 1/2 时:
lx-1l - l2x-1l = 1-x - 1+2x = x
1/x ≤ x ≤ 1 时:
lx-1l - l2x-1l = 1-x - 2x+1 = 2-x
x>1时:
lx-1l - l2x-1l = x-1-2x+1 = -x
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